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AT-1720

26

Figure 5: Incorrectly 
Connected BNC for 10BASE2

10BASE-FL/FOIRL (Fiber Optic) Connection

The AT-1720FT provides both an RJ45 for 10BASE-T Ethernet 
and ST-type transmit and receive connectors for 10BASE-FL 
(the current standard, backward compatible with FOIRL) or 
FOIRL Ethernet network segments. Maximum segment length 
is 1000 meters (3279 ft.) for FOIRL and 2000 meters (6558 ft.) for 
10BASE-FL. (See Figure 6.)

Hazardous light emissions may exist in fiber optic 
systems. Severe eye damage may result if 
precautions are not taken. Never look into a 
transmitting fiber optic device, transceiver, repeater 
or cable. 

In a 10BASE-FL or FOIRL segment, the cables connect the 
transmit receptacle at one end of the segment to the receive 
receptacle at the other end and vice versa. Be sure to align the 
key on the cable connector with the keyway on the adapter card 
receptacle when attaching the cable. Forcing cable insertion can 
cause receptacle or connector breakage.

Warning

Содержание AT-1720AT

Страница 1: ...CA Bus Computers and IEEE 802 3 Compliant LANs User Manual AT 1720T for Twisted Pair Media AT 1720AT for AUI Port Adapter and Twisted Pair Media AT 1720BT for Thinnet Coaxial and Twisted Pair Media AT...

Страница 2: ...ed to lost profits arising out of or related to this manual or the information contained herein even if Allied Telesyn has been advised of known or should have known the possibility of such damages FC...

Страница 3: ...apter Card Drivers 15 Drivers for Workstations 15 Drivers for Servers 16 Driver Installation 17 Support for Multiple Adapter Cards 20 4 Cabling 21 Important 10BASE T Cable Considerations 21 10BASE2 RG...

Страница 4: ...network operating system The technical support fax order form Warranty registration cards An Ethernet network adapter card The Allied Telesyn AT 1720 16 bit Ethernet Adapter Card provides a Micro Cha...

Страница 5: ...k You must have an IBM PS 2 or compatible computer that meets the following requirements An MCA bus computer Approximately 32K of available RAM for the driver depending on the driver installed Table 1...

Страница 6: ...etwork operating system software like Novell NetWare Microsoft LAN Manager Sun PC NFS or Banyan VINES You must also provide the necessary cables connectors and terminators In summary your networked PC...

Страница 7: ...esyn network adapter card hardware software installation is explained in greater detail later in the chapter 1 Installing the adapter card in an MCA slot Physically install the card in the computer s...

Страница 8: ...sistant diskette contains a guide to current readme files on that diskette and is recommended reading for the installer Installing the adapter card in an MCA slot Refer to the computer s manual for in...

Страница 9: ...turer will refer to the Allied Telesyn files as option files which are on the option disk the Allied Telesyn CardAssistant diskette 1 To copy the option diskette verify that all floppy disk drives are...

Страница 10: ...ive A 2 At your computer s keyboard hold down the control and keys and press the delete key This will reset your computer The first screen you see will be the Configuration Error screen of the configu...

Страница 11: ...ble 1 Adapter Card Attributes and Choices Attribute Choices Meaning Interrupt request number IRQ 3 4 5 9 10 11 12 or 15 Use interrupt 3 4 5 9 10 11 12 or 15 to signal CPU I O Port Addresses 0400h 1400...

Страница 12: ...allation has been successful up to this point go to Chapter 3 Network Adapter Card Drivers If you experience difficulties and need to run card diagnostics or view configuration parameters invoke the C...

Страница 13: ...nstalling a driver viewing the card configuration or running diagnostics The message window under the menu lists available commands Running diagnostic checks with CardAssistant Invoking the CardAssist...

Страница 14: ...then confirm that it still passes after the network connector is plugged in This method can help you isolate a problem Viewing AT 1720 configuration with CardAssistant 1 Invoke CardAssistant if neces...

Страница 15: ...ROM Socket The AT 1720 card is shipped with an unpopulated boot ROM socket For a diskless workstation the card needs a boot ROM to allow it to load the operating system over the network If a ROM is in...

Страница 16: ...files and sample configuration files Depending on your network you will need to install the right driver and possibly merge it with your network software Refer to the manuals supplied with your netwo...

Страница 17: ...monly Used Workstation Drivers Network Software Card Driver Path Filename NetWare for DOS1 DOS AT17ODI COM NetWare Lite1 DOS AT17ODI COM Windows for Workgroups AT1700 DOS LAN Manager 2 x for DOS1 AT17...

Страница 18: ...n your network software manuals are your best source General steps for copying a driver to your system Use the setup program on the CardAssistant diskette to copy the driver 1 Insert the diskette into...

Страница 19: ...IPX to ODI The IPX ODI change in no way impairs the workstation s ability to function with your original NetWare software on the original unchanged network 1 Run CardAssistant setup17 exe and follow t...

Страница 20: ...umber 6 The batch file e g AUTOEXEC BAT that you use to get on the network must contain these lines in the following order LSL AT17ODI IPXODI NETX F login 7 Now reboot the computer to load the new con...

Страница 21: ...public domain IP protocol driver PROTMAN SYS you should not use another TCP IP stack concurrently More information on installing the NDIS driver and the packet driver in different environments is avai...

Страница 22: ...re 1 AT 1720T UTP Port and RJ45 Connector Important 10BASE T Cable Considerations A serious problem exists concerning identification of modular cable for 10BASE T connections There are various grades...

Страница 23: ...on the interface will usually indicate a valid link in such a case For the foregoing reasons it is absolutely vital that all cabling used with the 10BASE T adapter card connections is of level 3 4 5 o...

Страница 24: ...el Cable Description AC Character Specification Twist Foot 10BASE T OK 1 Unshielded untwisted N A CCITT N A NO 2 Individual UTP 100 30 RS232 1BASE5 AT T PDS N A NO 3 Typical individual UTP 100 15 TI A...

Страница 25: ...Not Used RJ45 Pin RJ45 Pin 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 1 Pair twisted as per Level 3 4 or 5 cable 1 A Not Used RD Not Used Not Used RD TD TD Not Used Not Used RD Not Used Not Used RD TD TD Not U...

Страница 26: ...Ethernet RG58 coaxial cable The maximum segment length is 185 meters 606 ft and the minimum length between nodes is 0 5 meters 1 64 ft The coaxial cable should be connected to the adapter card via a...

Страница 27: ...for 10BASE FL See Figure 6 Hazardous light emissions may exist in fiber optic systems Severe eye damage may result if precautions are not taken Never look into a transmitting fiber optic device trans...

Страница 28: ...e 6 ST Type Connector for FOIRL and 10BASE FL Medium 10BASE5 AUI Connection The AT 1720AT offers both an RJ45 and an AUI port See Figure 7 and Figure 8 Figure 7 AUI Connector for Thicknet Drop Cable T...

Страница 29: ...et backbone In Figure 8 you see a transceiver installed directly on the AUI port Table 5 shows Allied Telesyn direct connection micro transceivers available to interface the card with the medium of yo...

Страница 30: ...network communication Communication Status Indicators Table 6 shows the functions of the four status indicators located below the RJ45 receptacle Table 6 AT 1720 Status Indicators LED Color Label Indi...

Страница 31: ...n problems But if one of these local resources is not successful solving your problem you can obtain assistance directly from Allied Telesyn by fax or by telephone See Table 7 on page 34 for the neare...

Страница 32: ...T Cable Considerations on page 21 Level 1 and 2 voice quality cable will not work properly If the cable is more or less round in section you probably have data grade cable correctly paired and no tra...

Страница 33: ...r to your LAN administration manual for instructions on how to install your network software Get Technical Support You can contact the dealer where you bought your AT 1720 for local assistance If loca...

Страница 34: ...d Italy Spain Australia New Zealand Greece Middle East Africa South America Voice 33 1 69 28 16 17 Fax 33 1 69 28 37 49 Germany Germany Switzerland Austria Eastern Europe Voice 01 30 83 56 66 Fax 49 3...

Страница 35: ...dlin G2 Bioteq Paradigm UMC Symphony Eteq DFI Opti Del Hedaka IBM Other_______________________________________________ BIOS Phoenix Award AMI Other________________________ Version ______________ Ports...

Страница 36: ...Detailed Description _______________________________________ ________________________________________________________ ________________________________________________________ _________________________...

Страница 37: ...tware ______ Driver Installation ______ Adapter Card Operation ______ Driver Selection ______ Cabling ______ I found the following the most valuable _________________________________ _________________...

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